CVE Feed

    Dashboard / CVE / CVE-2017-15891

    CVE-2017-15891

    Improper access control vulnerability in SYNO.Cal.EventBase in Synology Calendar before 2.0.1-0242 allows remote authenticated users to modify calendar event via unspecified vectors.

    Published:Dec 8, 2017
    Last Modified:Apr 20, 2025
    EPS:Dec 8, 2017
    EPSS Score:0.00132
    CVSS Score:6.5

    Affected Products

    Vendor
    Synology
    Product
    Calendar

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

    CVE-2022-27617 (CVSS 5) — Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi compone…
    CVE-2022-22686 (CVSS 6.5) — Cross-Site Request Forgery (CSRF) vulnerability in webapi component in Synology Calendar before 2.3.4-0631 all…
    CVE-2022-22682 (CVSS 6.5) — Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Event Ma…
    CVE-2021-34812 (CVSS 5.8) — Use of hard-coded credentials vulnerability in php component in Synology Calendar before 2.4.0-0761 allows rem…
    CVE-2019-11829 (CVSS 7.3) — OS command injection vulnerability in drivers_syno_import_user.php in Synology Calendar before 2.3.1-0617 allo…
    CVE-2019-11825 (CVSS 6.5) — Cross-site scripting (XSS) vulnerability in Event Editor in Synology Calendar before 2.3.0-0615 allows remote …
    CVE-2019-11820 (CVSS 5.5) — Information exposure through process environment vulnerability in Synology Calendar before 2.3.3-0620 allows l…
    CVE-2018-13299 (CVSS 4.3) — Relative path traversal vulnerability in Attachment Uploader in Synology Calendar before 2.2.2-0532 allows rem…
    CVE-2018-8927 (CVSS 5.4) — Improper authorization vulnerability in SYNO.Cal.Event in Calendar before 2.1.2-0511 allows remote authenticat…
    CVE-2018-8915 (CVSS 6.5) — Cross-site scripting (XSS) vulnerability in Notification Center in Synology Calendar before 2.1.1-0502 allows …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High